The unit consists of a precision ground plunger which develops the required
pressure by loading of weights. The pressure is transmitted to the pressure
gauge by oil. The unit is provided with leveling bolts to level the unit.
SPECIFICATIONS:
1. Precision ground plunger to develop the required pressure.
2. Weight set for the pressure of 0.5 Kg/cm2 to 50 Kg/cm2. in steps of
0.5 Kg/cm2 for 50 Kg/cm2, And 0.5 Kg/cm2 to 20 Kg/cm2 for 20 Kg/cm2.
3. Adapters for gauges -
1/4” BSP. × 3/8” BSP. Threading - 1 No.
1/4” BSP. × 1/2” BSP. Threading - 1 No
DOMESTIC REFRIGERATOR TRAINER:
SPECIFICATION:
It consists a hermetically sealed compressor, air cooled condenser, capillary
tube and a natural convection type evaporator. The evaporator is fitted with a
small heater to simulate different load conditions various measurements are
provided so that power consumption, COP, theoretical and actual refrigerating
effects refrigerant flow rate and effect of door opening on power consumption
can be studied and also students can visualize automatic operation of unit using
a thermostat.
SPECIFICATIONS:
Compressor - Hermetically sealed, Kirloskar make having capacity of approx. 1/25 ton of refrigeration.
Air cooled condenser with fan to generate air flow.
Capillary tube of matched length as expansion device.
Evaporator coil with an electric heater inside and adequate glass wool insulation on all side.
1.Measurements: Energy meter for compressor input power measurement.
2.Pressure gauges for condensing and evaporating pressure.
3.Flow meter for liquid refrigerant flow
4.Digital Temperature Indicator for measurement of temperatures
VAPOUR ABSORPTION TEST RIG:
Vapour Absorption Refrigerator” earlier known as “Electrolux” refrigerator is a self contained refrigerator working on absorption technology
Technical specifications
Gross volume : 41 LITERS
Refrigerant : Water, ammonia, hydrogen
Generator : Electrically heated
Condenser : Natural convection type
vaporator : Natural convection type
Material of construction : M.s.
Supply : 230 volts, 50 hz, 1 ph
Energy consumption : 1.07 kwh per 24 hrs
Energymeter : Provided
Temperature indicator : digital indicator at the salient points
GENERAL CYCLE REFRIGERATION TRAINER :
SPECIFICATION
The unit is compact one, which incorporates a hermetically sealed compressor,
using R-134a refrigerant. The unit is provided with an air cooled condenser and
an evaporator with water as a medium. Water cooled condenser can be provided
on request. Water is circulated over the evaporator coil, which gets cooled. With
various measurements, Actual COP, Theoretical COP, Carnot COP and heat
transfer coefficient in evaporator can be calculated.
1.Compressor-Hermetically sealed, having the capacity of 1/3 ton refrigeration.(approx)
2. Refrigerant - 134a
3.Condenser - Finned tube, air cooled, with fan. (Note-Water cooled condenser can be provided, on request instead of air cooled condenser. Water cooled condenser facilitates measurement of heat rejected to the condenser.)
4.Thermostatic expansion valve provided with solenoid valve.
5.Capillary tube of suitable length, to demonstrate operation.
6.Evaporator - Cooling coil immersed in water with continuous circulation of water over the coil.
7.Rotameter for liquid refrigerant flow measurement.
8.Pressure gauges for condensing and evaporating pressure
9.Controls and safety -
a.High and low pressure cutout. b.Thermostat. c.Overload protector for compressor motor.
d.Ammeter to visualize proper operation of compressor motor. E.Filter cum drier for refrigerant
GENERAL CYCLE AIR CONDITIONING TRAINER :
SPECIFICATION
The unit consists of ducting fitted with various air conditioning components.
Air flow is generated by an axial flow fan and in the air flow, heaters,
Cooling coil and steam humidifier connection are provided. Cooling circuit
Consists of a hermetic compressor, air cooled condenser, capillary tube and
Evaporator.
1. Cooling circuit - It consists of –
A)Hermetic compressor, having the capacity of 2/3 ton of refrigeration (approx) using R-22 refrigerant.
B) Pressure gauges for high and low pressure.
C) Thermometers for temperature measurement at various points in the cycle.
D)Heating circuit - Air heaters with stepped input control provided with energy meter for input measurement. Max. Heating capacity 1.5 kw.
E)Steam generator and injector for humidification of air. All above components are connected to a duct of size
ICE PLANT TRAINER 4 HOURS CYCLE :
SPECIFICATION
1. Hermetically sealed ‘Kirloskar’ make compressor using R-12 refrigerant, with forced air cooled condenser, thermostatic expansion valve and copper tube evaporator in brine tank.
2. Ice cans immersed in stainless steel brine tank.
3. 150 mm insulation outside the brine tank.
4. Ice making capacity - 6 Kg in 4 hours, initially & 6 Kg/2 hours after brine cooling.
5. Measurements & Controls –
a. Energy meter for compressor energy.
b. Dial type thermometer for brine temperature.
c. Pressure gauges for condensing & evaporating pressure.
d. Density meter for measuring brine density,High & low pressure cutout,Thermostat.
e. Filter & dryer for refrigerant
VAPOUR ABSORPTION TEST RIG: :
Vapour Absorption Refrigerator” earlier known as “Electrolux” refrigerator is a self contained refrigerator working on absorption technology. In the absence of a compressor or pump, the circulation takes place by density difference. The system is pre-charged with three fluids namely water, ammonia and hydrogen
